docs: def getstrs(self):
          """Retrieve the dimension standard string attributes.
  
          Args::
  
            no argument
  
          Returns::
  
            3-element tuple holding:
              -dimension label  (attribute 'long_name')
              -dimension unit   (attribute 'units')
              -dimension format (attribute 'format')
  
          An exception is raised if the standard attributes have
          not been set.
  
          C library equivalent: SDgetdimstrs
                                                  """
  
          status, label, unit, format = _C.SDgetdimstrs(self._id, 128)
          _checkErr('getstrs', status, 'cannot execute')
          return label, unit, format